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SN74AVC4T774: SN74AVC4T774-DIR快速切换是否影响其电平转换?

Part Number: SN74AVC4T774


如下电路用于PECI总线转换,实现1.8V与1.2V的电平转换,另外通过DIR引脚去切换PECI总线读写方向

问题:DIR切换频率10K-20K左右,规格书中并没有提到DIR引脚的时间参数,问下此场景下是否会影响电平转换的正常工作?